A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6620-00-280-2874
NSN 5935-01-163-9345
NSN 5996-00-583-0607
NSN 2925-01-535-7235
NSN 5855-00-494-9581
NSN 4140-01-570-2566
NSN 5905-00-499-3910
NSN 4140-01-435-3197
NSN 5930-01-451-5020
NSN 5990-01-032-8368
NSN 5998-01-540-1749
NSN 6240-01-381-4450